docs: async def ping(self, conversation_id: uuid.UUID = None) -> float:
          """
          Send a message to the remote server to check liveness.
  
          Returns:
              The round-trip time to receive a Pong message in fractional seconds
  
          Examples:
  
              >>> async with connect() as conn:
              >>>     print("Sending a PING to the server")
              >>>     time_secs = await conn.ping()
              >>>     print("Received a PONG after {} secs".format(time_secs))
  
          """
          cmd = convo.Ping(conversation_id=conversation_id or uuid.uuid4())
          result = await self.dispatcher.start_conversation(cmd)
  
          return await result